A primary challenge for marketers in discovering the needs of prospective customers is that Multiple Choice customers may not know or be able to describe what they need and want. customers are often difficult to persuade. it is hard to establish relationships with consumers that have not already tried the products. some of them may be difficult to develop into products. this may alert competitors to new ideas before their launch. A population explosion is happening is some parts of the world, including which country? Multiple Choice Russia Romania Poland India Spain